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author | Mylène Josserand <mylene.josserand@free-electrons.com> | 2016-09-08 12:26:10 +0200 |
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committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-09-11 22:23:17 +0200 |
commit | 7a988a4dd29a8cfcf405a12441533d765d25a6b8 (patch) | |
tree | d08b64b777aa56aab3844b9d653205744b8167a5 /arch/arm/boot | |
parent | e8f4351a3e277f311eaffa7938e9a1d8a6836999 (diff) | |
download | op-kernel-dev-7a988a4dd29a8cfcf405a12441533d765d25a6b8.zip op-kernel-dev-7a988a4dd29a8cfcf405a12441533d765d25a6b8.tar.gz |
ARM: dts: gr8: Add support for the GR8 evaluation board
The GR8-EVB is a small board with an NextThing GR8, an Hynix MLC NAND,
an AXP209 PMIC, USB host and OTG, an SPDIF output and a connectors for CSI,
I2S and LCD.
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/ntc-gr8-evb.dts | 342 |
2 files changed, 343 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index d5b7d90..5b54f99 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -719,6 +719,7 @@ dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-pcduino2.dtb \ sun4i-a10-pov-protab2-ips9.dtb dtb-$(CONFIG_MACH_SUN5I) += \ + ntc-gr8-evb.dtb \ sun5i-a10s-auxtek-t003.dtb \ sun5i-a10s-auxtek-t004.dtb \ sun5i-a10s-mk802.dtb \ diff --git a/arch/arm/boot/dts/ntc-gr8-evb.dts b/arch/arm/boot/dts/ntc-gr8-evb.dts new file mode 100644 index 0000000..4b622f3 --- /dev/null +++ b/arch/arm/boot/dts/ntc-gr8-evb.dts @@ -0,0 +1,342 @@ +/* + * Copyright 2016 Free Electrons + * Copyright 2016 NextThing Co + * + * Mylène Josserand <mylene.josserand@free-electrons.com> + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "ntc-gr8.dtsi" +#include "sunxi-common-regulators.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "NextThing GR8-EVB"; + compatible = "nextthing,gr8-evb", "nextthing,gr8"; + + aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + serial0 = &uart1; + serial1 = &uart2; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 10000 0>; + enable-gpios = <&axp_gpio 1 GPIO_ACTIVE_HIGH>; + + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + }; +}; + +&be0 { + status = "okay"; +}; + +&codec { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + axp209: pmic@34 { + reg = <0x34>; + + /* + * The interrupt is routed through the "External Fast + * Interrupt Request" pin (ball G13 of the module) + * directly to the main interrupt controller, without + * any other controller interfering. + */ + interrupts = <0>; + }; +}; + +#include "axp209.dtsi" + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_a>; + status = "okay"; + + wm8978: codec@1a { + #sound-dai-cells = <0>; + compatible = "wlf,wm8978"; + reg = <0x1a>; + }; + + pcf8563: rtc@51 { + compatible = "phg,pcf8563"; + reg = <0x51>; + }; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_a>; + status = "okay"; +}; + +&i2s0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2s0_mclk_pins_a>, <&i2s0_data_pins_a>; + status = "okay"; +}; + +&ir0 { + pinctrl-names = "default"; + pinctrl-0 = <&ir0_rx_pins_a>; + status = "okay"; +}; + +&lradc { + vref-supply = <®_ldo2>; + status = "okay"; + + button@190 { + label = "Volume Up"; + linux,code = <KEY_VOLUMEUP>; + channel = <0>; + voltage = <190000>; + }; + + button@390 { + label = "Volume Down"; + linux,code = <KEY_VOLUMEDOWN>; + channel = <0>; + voltage = <390000>; + }; + + button@600 { + label = "Menu"; + linux,code = <KEY_MENU>; + channel = <0>; + voltage = <600000>; + }; + + button@800 { + label = "Search"; + linux,code = <KEY_SEARCH>; + channel = <0>; + voltage = <800000>; + }; + + button@980 { + label = "Home"; + linux,code = <KEY_HOMEPAGE>; + channel = <0>; + voltage = <980000>; + }; + + button@1180 { + label = "Esc"; + linux,code = <KEY_ESC>; + channel = <0>; + voltage = <1180000>; + }; + + button@1400 { + label = "Enter"; + linux,code = <KEY_ENTER>; + channel = <0>; + voltage = <1400000>; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gr8_evb>; + vmmc-supply = <®_vcc3v3>; + bus-width = <4>; + cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */ + cd-inverted; + status = "okay"; +}; + +&nfc { + pinctrl-names = "default"; + pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>; + + /* MLC Support sucks for now */ + status = "disabled"; +}; + +&ohci0 { + status = "okay"; +}; + +&otg_sram { + status = "okay"; +}; + +&pio { + mmc0_cd_pin_gr8_evb: mmc0-cd-pin@0 { + allwinner,pins = "PG0"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + usb0_id_pin_gr8_evb: usb0-id-pin@0 { + allwinner,pins = "PG2"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + usb0_vbus_det_pin_gr8_evb: usb0-vbus-det-pin@0 { + allwinner,pins = "PG1"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + + usb1_vbus_pin_gr8_evb: usb1-vbus-pin@0 { + allwinner,pins = "PG13"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; +}; + +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + +®_dcdc2 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-name = "vdd-cpu"; + regulator-always-on; +}; + +®_dcdc3 { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1300000>; + regulator-name = "vdd-sys"; + regulator-always-on; +}; + +®_ldo1 { + regulator-name = "vdd-rtc"; +}; + +®_ldo2 { + regulator-min-microvolt = <2700000>; + regulator-max-microvolt = <3300000>; + regulator-name = "avcc"; + regulator-always-on; +}; + +®_usb1_vbus { + pinctrl-0 = <&usb1_vbus_pin_gr8_evb>; + gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&rtp { + allwinner,ts-attached; +}; + +&spdif { + pinctrl-names = "default"; + pinctrl-0 = <&spdif_tx_pins_a>; + status = "okay"; +}; + +&tve0 { + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins_a>, <&uart1_cts_rts_pins_a>; + status = "okay"; +}; + +&usb_otg { + /* + * The GR8-EVB has a somewhat interesting design. There's a + * pin supposed to control VBUS, an ID pin, a VBUS detect pin, + * so everything should work just fine. + * + * Except that the pin supposed to control VBUS is not + * connected to any controllable output, neither to the SoC + * through a GPIO or to the PMIC, and it is pulled down, + * meaning that we will never be able to enable VBUS on this + * board. + */ + dr_mode = "otg"; + status = "okay"; +}; + +&usb_power_supply { + status = "okay"; +}; + +&usbphy { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_id_pin_gr8_evb>, <&usb0_vbus_det_pin_gr8_evb>; + usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ + usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ + usb0_vbus_power-supply = <&usb_power_supply>; + usb1_vbus-supply = <®_usb1_vbus>; + status = "okay"; +}; |